/// <summary>
/// This virtual function can be overridden to perform custom functionality when data is received for a connection.
/// <para>By default this function calls HandleData() which will process the data and invoke message handlers for any messages that it finds.</para>
/// <code>
/// using UnityEngine;
/// using UnityEngine.Networking;
///
/// public abstract class ExampleScript : <see cref="NetworkManager">NetworkManager</see>
/// {
/// byte[] msgBuffer = new byte[1024];
///
/// public virtual void OnData(<see cref="NetworkConnection">NetworkConnection</see> conn, int channelId, int receivedSize)
/// {
/// conn.TransportRecieve(msgBuffer, receivedSize, channelId);
/// }
/// }
/// </code>
/// </summary>
/// <param name="conn"></param>
/// <param name="receivedSize"></param>
/// <param name="channelId"></param>
public virtual void OnData(NetworkConnection conn, int receivedSize, int channelId)
{
conn.TransportReceive(m_MsgBuffer, receivedSize, channelId);
}
internal virtual void Update()
{
if (m_ClientId == -1)
{
return;
}
switch (m_AsyncConnect)
{
case ConnectState.None:
case ConnectState.Resolving:
case ConnectState.Disconnected:
return;
case ConnectState.Failed:
GenerateConnectError(11);
m_AsyncConnect = ConnectState.Disconnected;
return;
case ConnectState.Resolved:
m_AsyncConnect = ConnectState.Connecting;
ContinueConnect();
return;
}
if (m_Connection != null && (int)Time.time != m_StatResetTime)
{
m_Connection.ResetStats();
m_StatResetTime = (int)Time.time;
}
NetworkEventType networkEventType;
do
{
int num = 0;
networkEventType = NetworkTransport.ReceiveFromHost(m_ClientId, out int _, out int channelId, m_MsgBuffer, (ushort)m_MsgBuffer.Length, out int receivedSize, out byte error);
if (m_Connection != null)
{
m_Connection.lastError = (NetworkError)error;
}
if (networkEventType != NetworkEventType.Nothing && LogFilter.logDev)
{
Debug.Log("Client event: host=" + m_ClientId + " event=" + networkEventType + " error=" + error);
}
switch (networkEventType)
{
case NetworkEventType.ConnectEvent:
if (LogFilter.logDebug)
{
Debug.Log("Client connected");
}
if (error != 0)
{
GenerateConnectError(error);
return;
}
m_AsyncConnect = ConnectState.Connected;
m_Connection.InvokeHandlerNoData(32);
break;
case NetworkEventType.DataEvent:
if (error != 0)
{
GenerateDataError(error);
return;
}
m_MsgReader.SeekZero();
m_Connection.TransportReceive(m_MsgBuffer, receivedSize, channelId);
break;
case NetworkEventType.DisconnectEvent:
if (LogFilter.logDebug)
{
Debug.Log("Client disconnected");
}
m_AsyncConnect = ConnectState.Disconnected;
if (error != 0 && error != 6)
{
GenerateDisconnectError(error);
}
ClientScene.HandleClientDisconnect(m_Connection);
if (m_Connection != null)
{
m_Connection.InvokeHandlerNoData(33);
}
break;
default:
if (LogFilter.logError)
{
Debug.LogError("Unknown network message type received: " + networkEventType);
}
break;
case NetworkEventType.Nothing:
break;
}
if (++num >= 500)
{
if (LogFilter.logDebug)
{
Debug.Log("MaxEventsPerFrame hit (" + 500 + ")");
}
break;
}
}while (m_ClientId != -1 && networkEventType != NetworkEventType.Nothing);
if (m_Connection != null && m_AsyncConnect == ConnectState.Connected)
{
m_Connection.FlushChannels();
}
}
internal virtual void Update()
{
if (m_ClientId == -1)
{
return;
}
switch (m_AsyncConnect)
{
case ConnectState.None:
case ConnectState.Resolving:
case ConnectState.Disconnected:
return;
case ConnectState.Failed:
GenerateConnectError((int)NetworkError.DNSFailure);
m_AsyncConnect = ConnectState.Disconnected;
return;
case ConnectState.Resolved:
m_AsyncConnect = ConnectState.Connecting;
ContinueConnect();
return;
case ConnectState.Connecting:
case ConnectState.Connected:
{
break;
}
}
if (m_Connection != null)
{
if ((int)Time.time != m_StatResetTime)
{
m_Connection.ResetStats();
m_StatResetTime = (int)Time.time;
}
}
int numEvents = 0;
NetworkEventType networkEvent;
do
{
int connectionId;
int channelId;
int receivedSize;
byte error;
networkEvent = NetworkTransport.ReceiveFromHost(m_ClientId, out connectionId, out channelId, m_MsgBuffer, (ushort)m_MsgBuffer.Length, out receivedSize, out error);
if (m_Connection != null)
{
m_Connection.lastError = (NetworkError)error;
}
if (networkEvent != NetworkEventType.Nothing)
{
if (LogFilter.logDev)
{
Debug.Log("Client event: host=" + m_ClientId + " event=" + networkEvent + " error=" + error);
}
}
switch (networkEvent)
{
case NetworkEventType.ConnectEvent:
if (LogFilter.logDebug)
{
Debug.Log("Client connected");
}
if (error != 0)
{
GenerateConnectError(error);
return;
}
m_AsyncConnect = ConnectState.Connected;
m_Connection.InvokeHandlerNoData(MsgType.Connect);
break;
case NetworkEventType.DataEvent:
if (error != 0)
{
GenerateDataError(error);
return;
}
#if UNITY_EDITOR
UnityEditor.NetworkDetailStats.IncrementStat(
UnityEditor.NetworkDetailStats.NetworkDirection.Incoming,
MsgType.LLAPIMsg, "msg", 1);
#endif
m_MsgReader.SeekZero();
m_Connection.TransportReceive(m_MsgBuffer, receivedSize, channelId);
break;
case NetworkEventType.DisconnectEvent:
if (LogFilter.logDebug)
{
Debug.Log("Client disconnected");
}
m_AsyncConnect = ConnectState.Disconnected;
if (error != 0)
{
if ((NetworkError)error != NetworkError.Timeout)
{
GenerateDisconnectError(error);
}
}
ClientScene.HandleClientDisconnect(m_Connection);
if (m_Connection != null)
{
m_Connection.InvokeHandlerNoData(MsgType.Disconnect);
}
break;
case NetworkEventType.Nothing:
break;
default:
if (LogFilter.logError)
{
Debug.LogError("Unknown network message type received: " + networkEvent);
}
break;
}
if (++numEvents >= k_MaxEventsPerFrame)
{
if (LogFilter.logDebug)
{
Debug.Log("MaxEventsPerFrame hit (" + k_MaxEventsPerFrame + ")");
}
break;
}
if (m_ClientId == -1)
{
break;
}
}while (networkEvent != NetworkEventType.Nothing);
if (m_Connection != null && m_AsyncConnect == ConnectState.Connected)
{
m_Connection.FlushChannels();
}
}
internal virtual void Update()
{
if (m_ClientId == -1)
{
return;
}
switch (m_AsyncConnect)
{
case ConnectState.None:
case ConnectState.Resolving:
case ConnectState.Disconnected:
return;
case ConnectState.Failed:
GenerateConnectError((int)NetworkError.DNSFailure);
m_AsyncConnect = ConnectState.Disconnected;
return;
case ConnectState.Resolved:
m_AsyncConnect = ConnectState.Connecting;
ContinueConnect();
return;
case ConnectState.Connecting:
case ConnectState.Connected:
{
break;
}
}
int numEvents = 0;
NetworkEventType networkEvent;
do
{
int connectionId;
int channelId;
int receivedSize;
byte error;
networkEvent = NetworkTransport.ReceiveFromHost(m_ClientId, out connectionId, out channelId, m_MsgBuffer, (ushort)m_MsgBuffer.Length, out receivedSize, out error);
if (m_Connection != null)
{
m_Connection.lastError = (NetworkError)error;
}
if (networkEvent != NetworkEventType.Nothing)
{
if (LogFilter.logDev)
{
Debug.Log("Client event: host=" + m_ClientId + " event=" + networkEvent + " error=" + error);
}
}
switch (networkEvent)
{
case NetworkEventType.ConnectEvent:
if (LogFilter.logDebug)
{
Debug.Log("Client connected");
}
if (error != 0)
{
GenerateConnectError(error);
return;
}
m_AsyncConnect = ConnectState.Connected;
m_Connection.InvokeHandlerNoData((short)MsgType.Connect);
break;
case NetworkEventType.DataEvent:
if (error != 0)
{
GenerateDataError(error);
return;
}
#if UNITY_EDITOR
UnityEditor.NetworkDetailStats.IncrementStat(
UnityEditor.NetworkDetailStats.NetworkDirection.Incoming,
(short)MsgType.LLAPIMsg, "msg", 1);
#endif
// create a buffer with exactly 'receivedSize' size for the handlers so we don't need to read
// a size header (saves bandwidth)
byte[] data = new byte[receivedSize];
Array.Copy(m_MsgBuffer, data, receivedSize);
m_Connection.TransportReceive(data, channelId);
break;
case NetworkEventType.DisconnectEvent:
if (LogFilter.logDebug)
{
Debug.Log("Client disconnected");
}
m_AsyncConnect = ConnectState.Disconnected;
if (error != 0)
{
if ((NetworkError)error != NetworkError.Timeout)
{
GenerateDisconnectError(error);
}
}
ClientScene.HandleClientDisconnect(m_Connection);
if (m_Connection != null)
{
m_Connection.InvokeHandlerNoData((short)MsgType.Disconnect);
}
break;
case NetworkEventType.Nothing:
break;
default:
if (LogFilter.logError)
{
Debug.LogError("Unknown network message type received: " + networkEvent);
}
break;
}
if (++numEvents >= k_MaxEventsPerFrame)
{
if (LogFilter.logDebug)
{
Debug.Log("MaxEventsPerFrame hit (" + k_MaxEventsPerFrame + ")");
}
break;
}
if (m_ClientId == -1)
{
break;
}
}while (networkEvent != NetworkEventType.Nothing);
}